/* ui-stats.c: generate stats view * * Copyright (C) 2006-2014 cgit Development Team * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #define USE_THE_REPOSITORY_VARIABLE #include "cgit.h" #include "ui-stats.h" #include "html.h" #include "ui-shared.h" struct authorstat { long total; struct string_list list; }; #define DAY_SECS (60 * 60 * 24) #define WEEK_SECS (DAY_SECS * 7) static void trunc_week(struct tm *tm) { time_t t = timegm(tm); t -= ((tm->tm_wday + 6) % 7) * DAY_SECS; gmtime_r(&t, tm); } static void dec_week(struct tm *tm) { time_t t = timegm(tm); t -= WEEK_SECS; gmtime_r(&t, tm); } static void inc_week(struct tm *tm) { time_t t = timegm(tm); t += WEEK_SECS; gmtime_r(&t, tm); } static char *pretty_week(struct tm *tm) { static char buf[10]; strftime(buf, sizeof(buf), "W%V %G", tm); return buf; } static void trunc_month(struct tm *tm) { tm->tm_mday = 1; } static void dec_month(struct tm *tm) { tm->tm_mon--; if (tm->tm_mon < 0) { tm->tm_year--; tm->tm_mon = 11; } } static void inc_month(struct tm *tm) { tm->tm_mon++; if (tm->tm_mon > 11) { tm->tm_year++; tm->tm_mon = 0; } } static char *pretty_month(struct tm *tm) { static const char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; return fmt("%s %d", months[tm->tm_mon], tm->tm_year + 1900); } static void trunc_quarter(struct tm *tm) { trunc_month(tm); while (tm->tm_mon % 3 != 0) dec_month(tm); } static void dec_quarter(struct tm *tm) { dec_month(tm); dec_month(tm); dec_month(tm); } static void inc_quarter(struct tm *tm) { inc_month(tm); inc_month(tm); inc_month(tm); } static char *pretty_quarter(struct tm *tm) { return fmt("Q%d %d", tm->tm_mon / 3 + 1, tm->tm_year + 1900); } static void trunc_year(struct tm *tm) { trunc_month(tm); tm->tm_mon = 0; } static void dec_year(struct tm *tm) { tm->tm_year--; } static void inc_year(struct tm *tm) { tm->tm_year++; } static char *pretty_year(struct tm *tm) { return fmt("%d", tm->tm_year + 1900); } static const struct cgit_period periods[] = { {'w', "week", 12, 4, trunc_week, dec_week, inc_week, pretty_week}, {'m', "month", 12, 4, trunc_month, dec_month, inc_month, pretty_month}, {'q', "quarter", 12, 4, trunc_quarter, dec_quarter, inc_quarter, pretty_quarter}, {'y', "year", 12, 4, trunc_year, dec_year, inc_year, pretty_year}, }; /* Given a period code or name, return a period index (1, 2, 3 or 4) * and update the period pointer to the correcsponding struct. * If no matching code is found, return 0. */ int cgit_find_stats_period(const char *expr, const struct cgit_period **period) { int i; char code = '\0'; if (!expr) return 0; if (strlen(expr) == 1) code = expr[0]; for (i = 0; i < sizeof(periods) / sizeof(periods[0]); i++) if (periods[i].code == code || !strcmp(periods[i].name, expr)) { if (period) *period = &periods[i]; return i + 1; } return 0; } const char *cgit_find_stats_periodname(int idx) { if (idx > 0 && idx < 4) return periods[idx - 1].name; else return ""; } static void add_commit(struct string_list *authors, struct commit *commit, const struct cgit_period *period) { struct commitinfo *info; struct string_list_item *author, *item; struct authorstat *authorstat; struct string_list *items; char *tmp; struct tm date; time_t t; uintptr_t *counter; info = cgit_parse_commit(commit); tmp = xstrdup(info->author); author = string_list_insert(authors, tmp); if (!author->util) author->util = xcalloc(1, sizeof(struct authorstat)); else free(tmp); authorstat = author->util; items = &authorstat->list; t = info->committer_date; gmtime_r(&t, &date); period->trunc(&date); tmp = xstrdup(period->pretty(&date)); item = string_list_insert(items, tmp); counter = (uintptr_t *)&item->util; if (*counter) free(tmp); (*counter)++; authorstat->total++; cgit_free_commitinfo(info); } static int cmp_total_commits(const void *a1, const void *a2) { const struct string_list_item *i1 = a1; const struct string_list_item *i2 = a2; const struct authorstat *auth1 = i1->util; const struct authorstat *auth2 = i2->util; return auth2->total - auth1->total; } /* Walk the commit DAG and collect number of commits per author per * timeperiod into a nested string_list collection. */ static struct string_list collect_stats(const struct cgit_period *period) { struct string_list authors; struct rev_info rev; struct commit *commit; const char *argv[] = {NULL, ctx.qry.head, NULL, NULL, NULL, NULL}; int argc = 3; time_t now; long i; struct tm tm; char tmp[11]; time(&now); gmtime_r(&now, &tm); period->trunc(&tm); for (i = 1; i < period->count; i++) period->dec(&tm); strftime(tmp, sizeof(tmp), "%Y-%m-%d", &tm); argv[2] = xstrdup(fmt("--since=%s", tmp)); if (ctx.qry.path) { argv[3] = "--"; argv[4] = ctx.qry.path; argc += 2; } repo_init_revisions(the_repository, &rev, NULL); rev.abbrev = DEFAULT_ABBREV; rev.commit_format = CMIT_FMT_DEFAULT; rev.max_parents = 1; rev.verbose_header = 1; rev.show_root_diff = 0; setup_revisions(argc, argv, &rev, NULL); prepare_revision_walk(&rev); memset(&authors, 0, sizeof(authors)); while ((commit = get_revision(&rev)) != NULL) { add_commit(&authors, commit, period); release_commit_memory(the_repository->parsed_objects, commit); commit->parents = NULL; } return authors; } static void print_combined_authorrow(struct string_list *authors, int from, int to, const char *name, const char *leftclass, const char *centerclass, const char *rightclass, const struct cgit_period *period) { struct string_list_item *author; struct authorstat *authorstat; struct string_list *items; struct string_list_item *date; time_t now; long i, j, total, subtotal; struct tm tm; char *tmp; time(&now); gmtime_r(&now, &tm); period->trunc(&tm); for (i = 1; i < period->count; i++) period->dec(&tm); total = 0; htmlf("%s", leftclass, fmt(name, to - from + 1)); for (j = 0; j < period->count; j++) { tmp = period->pretty(&tm); period->inc(&tm); subtotal = 0; for (i = from; i <= to; i++) { author = &authors->items[i]; authorstat = author->util; items = &authorstat->list; date = string_list_lookup(items, tmp); if (date) subtotal += (uintptr_t)date->util; } htmlf("%ld", centerclass, subtotal); total += subtotal; } htmlf("%ld", rightclass, total); } static void print_authors(struct string_list *authors, int top, const struct cgit_period *period) { struct string_list_item *author; struct authorstat *authorstat; struct string_list *items; struct string_list_item *date; time_t now; long i, j, total; struct tm tm; char *tmp; time(&now); gmtime_r(&now, &tm); period->trunc(&tm); for (i = 1; i < period->count; i++) period->dec(&tm); html(""); for (j = 0; j < period->count; j++) { tmp = period->pretty(&tm); htmlf("", tmp); period->inc(&tm); } html("\n"); if (top <= 0 || top > authors->nr) top = authors->nr; for (i = 0; i < top; i++) { author = &authors->items[i]; html(""); authorstat = author->util; items = &authorstat->list; total = 0; for (j = 0; j < period->count; j++) period->dec(&tm); for (j = 0; j < period->count; j++) { tmp = period->pretty(&tm); period->inc(&tm); date = string_list_lookup(items, tmp); if (!date) html(""); else { htmlf("", (uintptr_t)date->util); total += (uintptr_t)date->util; } } htmlf("", total); } if (top < authors->nr) print_combined_authorrow(authors, top, authors->nr - 1, "Others (%ld)", "left", "", "sum", period); print_combined_authorrow(authors, 0, authors->nr - 1, "Total", "total", "sum", "sum", period); html("
Author%sTotal
"); html_txt(author->string); html("0%lu%ld
"); } /* Create a sorted string_list with one entry per author. The util-field * for each author is another string_list which is used to calculate the * number of commits per time-interval. */ void cgit_show_stats(void) { struct string_list authors; const struct cgit_period *period; int top, i; const char *code = "w"; if (ctx.qry.period) code = ctx.qry.period; i = cgit_find_stats_period(code, &period); if (!i) { cgit_print_error_page(404, "Not found", "Unknown statistics type: %c", code[0]); return; } if (i > ctx.repo->max_stats) { cgit_print_error_page(400, "Bad request", "Statistics type disabled: %s", period->name); return; } authors = collect_stats(period); qsort(authors.items, authors.nr, sizeof(struct string_list_item), cmp_total_commits); top = ctx.qry.ofs; if (!top) top = 10; cgit_print_layout_start(); html("
"); html("stat options"); html("
"); cgit_add_hidden_formfields(1, 0, "stats"); html(""); if (ctx.repo->max_stats > 1) { html(""); html(""); } html(""); html(""); html("
Period:
Authors:
"); html(""); html("
"); html("
"); html("
"); htmlf("

Commits per author per %s", period->name); if (ctx.qry.path) { html(" (path '"); html_txt(ctx.qry.path); html("')"); } html("

"); print_authors(&authors, top, period); cgit_print_layout_end(); }